The use of contingency management and motivational/skills-building therapy to treat young adults with marijuana dependence

Division of Substance Abuse, Yale University School of Medicine, West Haven, CT 06516, USA.
Journal of Consulting and Clinical Psychology (Impact Factor: 4.85). 11/2006; 74(5):955-66. DOI: 10.1037/0022-006X.74.5.955
Source: PubMed

ABSTRACT Marijuana-dependent young adults (N = 136), all referred by the criminal justice system, were randomized to 1 of 4 treatment conditions: a motivational/skills-building intervention (motivational enhancement therapy/cognitive-behavioral therapy; MET/CBT) plus incentives contingent on session attendance or submission of marijuana-free urine specimens (contingency management; CM), MET/CBT without CM, individual drug counseling (DC) plus CM, and DC without CM. There was a significant main effect of CM on treatment retention and marijuana-free urine specimens. Moreover, the combination of MET/CBT plus CM was significantly more effective than MET/CBT without CM or DC plus CM, which were in turn more effective than DC without CM for treatment attendance and percentage of marijuana-free urine specimens. Participants assigned to MET/CBT continued to reduce the frequency of their marijuana use through a 6-month follow-up.

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